20322345205100 has 72 divisors (see below), whose sum is σ = 44958781047600. Its totient is φ = 7971230464000.

The previous prime is 20322345205093. The next prime is 20322345205103. The reversal of 20322345205100 is 150254322302.

It is a super-2 number, since 2×20322345205100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20322345205103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928945 + ... + 6660744.

It is an arithmetic number, because the mean of its divisors is an integer number (624427514550).

Almost surely, 2^{20322345205100} is an apocalyptic number.

20322345205100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322345205100 is an abundant number, since it is smaller than the sum of its proper divisors (24636435842500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20322345205100 is a wasteful number, since it uses less digits than its factorization.

20322345205100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590163 (or 8590156 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20322345205100 its reverse (150254322302), we get a palindrome (20472599527402).

The spelling of 20322345205100 in words is "twenty trillion, three hundred twenty-two billion, three hundred forty-five million, two hundred five thousand, one hundred".